$OpenBSD: patch-madtty_c,v 1.1 2012/04/24 19:28:31 naddy Exp $
--- madtty.c.orig	Tue Apr 24 21:20:01 2012
+++ madtty.c	Tue Apr 24 21:22:45 2012
@@ -47,6 +47,10 @@
 
 #include "madtty.h"
 
+#if defined(__GNUC__) && defined(__STRICT_ANSI__)
+#define alloca(size)	__builtin_alloca(size)
+#endif
+
 #ifndef NCURSES_ATTR_SHIFT
 # define NCURSES_ATTR_SHIFT 8
 #endif
